| 溧阳—广德地区新生代构造应力场探讨 |
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| 引用本文： | 王宝杰.溧阳—广德地区新生代构造应力场探讨[J].防灾减灾工程学报,1988(3). |
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| 作者姓名： | 王宝杰 |
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| 作者单位： | 国家地震局地壳应力研究所 |
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| 摘 要： | 断裂的运动方式,构造节理和水系分布的优势方向一般与该区的构造应力场密切相关。本文对研究区内具有新活动特征的断裂运动方式进行了研究。统计了该区的构造节理和水系的分布,并用数学模型“水系分布方向计算的密集度方法”进行了计算。得出,研究区新生代以来构造应力场主压应力方向为 NEE 方向。与震源机制解资料所反映的主压应力方向基本一致。
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Journal of Seismology THE ANALYSIS(?)OF CENOZOIC TECTONIC STRESS FIELD IN LIYANG-GUANGDE REGION |
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| Abstract: | The patterns of the faulting and the favorable orientation of thedistributions of the joints and valley systems are associated closely withthe tectonic stress field.The fault patterns characterized by with currentactivities in the region are studied in the paper.Additionally,thestatistics on the distributions of the tectonic joints and the valley trendssystems in the region have been made and calculated with the mathsmodel concentrated degree method for calculation of valley trends.The conclusions are drawn as follows:The direction of the principalcompressional stress has been NEE since Cenozoic era,consistent withthe result derived fromthe focal mechanism solution. |
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